01-26-2019, 02:52 AM | #1 |
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Saving to MP4 files ??
I am in a very slow process converting my old VHS videos to MP4 files on my computer.
I have got a small USB unit to connect the video recorder/player to the computer and some SW with the unit to record on my computer into MPG files. I record a tape into a very large MPG files on the computer and want to use Reaper to cut it into smaller files for every date on the tape. Reaper is very, very VERY much faster and more stable than the SW delivered with the USB Video Capture unit. But how can I render a cut out into a MP4 video file ?
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01-26-2019, 03:28 AM | #2 |
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When rendering from Reaper, you set up the output in the render to file window - choose output format 'Video (ffmpeg/libav encoder)' and then under format choose 'QT/MOV/MP4'.
-W
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01-26-2019, 04:28 AM | #3 |
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I did, but still it came out as a MOV and in a very bad quality !
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01-27-2019, 03:58 PM | #4 |
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Mac, Windows, Linux?
The Windows-version of Reaper has very limited mp4-export-capabilities.
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01-28-2019, 12:37 AM | #5 |
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Windows 10 fully updated.
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01-28-2019, 02:44 AM | #6 |
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ksor, its a bad idea to convert the files two times. The quality loss takes place because you re-encode the already bad VHS quality to a loss mpeg2 and once again into the final mp4 codec. Every step reduces the bad quality more.
And by the way, the .mov output just needs to be renamed to mp4. At least that is what others wrote about the mp4 export problem. Its also not that important because its only a container which can contain several codec types. If you really want to save the videos in good quality you should avoid the mpeg2 step by saving the files into a lossless format right after the USB converter. This creates very large files but those are necessary if you don't want to much loss of quality. After that you could cut and convert them finally with a good codec like H264 with 100% (pseudo) quality. Pack it into mp4 or mkv and everything should be fine. Greetings Eli
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01-28-2019, 03:32 AM | #7 | |
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Quote:
Converting them to M4V makes it worse. I think something is wrong with my USB-interface I cant access all setting and those I CAN corrupts the file when I change them = lots of flickering and still pale colors
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01-28-2019, 04:13 AM | #8 |
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Yes, this is true. Just rename the *.mov to *.mp4. Those formats are for all practical purposes identical.
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01-28-2019, 09:13 AM | #9 | |
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Quote:
You have to understand that VHS already is very low quality. It also has a very low resolution. Converting it with loss to another format can't be good. Do you have the ability to choose another format in the USB software? Maybe something with the tiny hint "lossless"? If you can't access every setting you maybe only have a restricted version of the software which needs payment, upgrade or both. But maybe you could use an other (free) program to get the data from the USB to the HD?
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01-28-2019, 09:25 AM | #10 | |
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Quote:
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01-28-2019, 10:05 AM | #11 |
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Ah, okay. Didn't know that.
Do you mean Handbrake can load the file from inside the mkv container and put it inside a mp4 container without any re-encoding? This would be indeed a nice way to solve the problem.
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01-28-2019, 10:09 AM | #12 | |
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Quote:
Pros for MKV: Better video & audio quality than MP4 Ideal format for storing HD videos Support multiple video/audio tracks & subtitles IIRC the file size difference was something like 5 or 10:1 but don't quote me without testing.
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01-28-2019, 11:20 AM | #13 |
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I've tried Handbrake, hoping it could make me some smaller files ... and it can !
It too has a facility to vary the quality without steps - simply a slider. ... the talk about codex I don't know anything about ;-)
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12-08-2021, 01:59 PM | #14 |
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You should input the .mp4 suffix after the file name already in the render dialog window.
For me quality is the same as with .mov or similar to .avi. It is ok, not bad.
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